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Add input check to generator

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This commit is contained in:
Ivaylo Ivanov
2019-01-11 17:23:54 +01:00
parent 9a652f4d4e
commit 833c560621
2 changed files with 23 additions and 7 deletions
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10
fb_arc_set/shared/shm.c
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@@ -13,12 +13,12 @@
void* open_shm(char *shm_name, size_t shm_size) {
int shmfd = shm_open(shm_name, O_RDWR | O_CREAT, 0600);
if(shmfd == -1) {
fprintf(stderr, "ERROR: Failed creating shared memory object");
fprintf(stderr, "ERROR: Failed creating shared memory object\n");
exit(EXIT_FAILURE);
}
if(ftruncate(shmfd, shm_size) < 0) {
fprintf(stderr, "ERROR: Failed truncating shared memory object");
fprintf(stderr, "ERROR: Failed truncating shared memory object\n");
exit(EXIT_FAILURE);
}
@@ -26,7 +26,7 @@ void* open_shm(char *shm_name, size_t shm_size) {
shm = mmap(NULL, shm_size, PROT_READ | PROT_WRITE, MAP_SHARED, shmfd, 0);
if(shm == MAP_FAILED) {
fprintf(stderr, "ERROR: Failed mapping shared memory object");
fprintf(stderr, "ERROR: Failed mapping shared memory object\n");
exit(EXIT_FAILURE);
}
@@ -39,14 +39,14 @@ void write_to_shm(void* shm, char *message, size_t message_size) {
void close_shm(void* shm, size_t shm_size) {
if (munmap(shm, shm_size) == -1) {
fprintf(stderr, "ERROR: Failed unmapping shared memory object");
fprintf(stderr, "ERROR: Failed unmapping shared memory object\n");
exit(EXIT_FAILURE);
}
}
void destroy_shm(char *shm_name) {
if (shm_unlink(shm_name) == -1) {
fprintf(stderr, "ERROR: Failed unlinking shared memory object");
fprintf(stderr, "ERROR: Failed unlinking shared memory object\n");
exit(EXIT_FAILURE);
}
}